www.emgu.com/wiki The Width (Number of rows) of the Matrix

Declaration Syntax
public override int Width { get; }
Public Overrides ReadOnly Property Width As Integer
public:
virtual property int Width {
int get () override;
}
Assembly:
Emgu.CV (Module: Emgu.CV) Version: 1.4.3249.6313 (1.4.0.0)